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El Niño/Southern Oscillation
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Year | MEI | ENSO_Index | |
---|---|---|---|
2000.041667 | -1.195 | -1.6 | |
2000.125 | -1.252 | -1.4 | |
2000.208333 | -1.151 | -1.1 | |
2000.291667 | -0.548 | -0.9 | |
2000.375 | 0.16 | -0.7 | |
2000.458333 | -0.04 | -0.7 | |
2000.541667 | -0.169 | -0.6 | |
2000.625 | -0.141 | -0.5 | |
2000.708333 | -0.219 | -0.6 | |
2000.791667 | -0.372 | -0.7 | |
2000.875 | -0.75 | -0.8 | |
2000.958333 | -0.582 | -0.8 | |
2001.041667 | -0.539 | -0.7 | |
2001.125 | -0.725 | -0.6 | |
2001.208333 | -0.615 | -0.5 | |
2001.291667 | -0.156 | -0.3 | |
2001.375 | 0.221 | -0.2 | |
2001.458333 | 0.032 | -0.1 | |
2001.541667 | 0.292 | 0 | |
2001.625 | 0.366 | -0.1 | |
2001.708333 | -0.108 | -0.1 | |
2001.791667 | -0.266 | -0.2 | |
2001.875 | -0.176 | -0.3 | |
2001.958333 | 0.005 | -0.3 | |
2002.041667 | -0.049 | -0.2 | |
2002.125 | -0.21 | -0.1 | |
2002.208333 | -0.196 | 0.1 | |
2002.291667 | 0.356 | 0.2 | |
2002.375 | 0.843 | 0.4 | |
2002.458333 | 0.948 | 0.7 | |
2002.541667 | 0.684 | 0.8 | |
2002.625 | 0.949 | 0.9 | |
2002.708333 | 0.859 | 1.0 | |
2002.791667 | 0.976 | 1.2 | |
2002.875 | 1.063 | 1.3 | |
2002.958333 | 1.114 | 1.1 | |
2003.041667 | 1.185 | 0.9 | |
2003.125 | 0.933 | 0.6 | |
2003.208333 | 0.828 | 0.4 | |
2003.291667 | 0.325 | 0 | |
2003.375 | 0.088 | -0.2 | |
2003.458333 | 0.089 | -0.1 | |
2003.541667 | 0.165 | 0.1 | |
2003.625 | 0.267 | 0.2 | |
2003.708333 | 0.459 | 0.3 | |
2003.791667 | 0.519 | 0.4 | |
2003.875 | 0.528 | 0.4 | |
2003.958333 | 0.319 | 0.4 | |
2004.041667 | 0.31 | 0.3 | |
2004.125 | 0.333 | 0.2 | |
2004.208333 | -0.117 | 0.1 | |
2004.291667 | 0.243 | 0.1 | |
2004.375 | 0.518 | 0.2 | |
2004.458333 | 0.283 | 0.3 | |
2004.541667 | 0.527 | 0.5 | |
2004.625 | 0.665 | 0.7 | |
2004.708333 | 0.531 | 0.7 | |
2004.791667 | 0.497 | 0.7 | |
2004.875 | 0.795 | 0.7 | |
2004.958333 | 0.647 | 0.7 | |
2005.041667 | 0.302 | 0.6 | |
2005.125 | 0.804 | 0.6 | |
2005.208333 | 1.032 | 0.5 | |
2005.291667 | 0.589 | 0.5 | |
2005.375 | 0.801 | 0.4 | |
2005.458333 | 0.519 | 0.2 | |
2005.541667 | 0.508 | 0.1 | |
2005.625 | 0.329 | 0 | |
2005.708333 | 0.288 | 0 | |
2005.791667 | -0.149 | -0.1 | |
2005.875 | -0.4 | -0.4 | |
2005.958333 | -0.583 | -0.7 | |
2006.041667 | -0.469 | -0.7 | |
2006.125 | -0.463 | -0.6 | |
2006.208333 | -0.584 | -0.4 | |
2006.291667 | -0.689 | -0.2 | |
2006.375 | -0.004 | 0.0 | |
2006.458333 | 0.592 | 0.1 | |
2006.541667 | 0.669 | 0.2 | |
2006.625 | 0.76 | 0.3 | |
2006.708333 | 0.825 | 0.5 | |
2006.791667 | 0.934 | 0.8 | |
2006.875 | 1.299 | 0.9 | |
2006.958333 | 0.953 | 1.0 | |
2007.041667 | 0.972 | 0.7 | |
2007.125 | 0.505 | 0.3 | |
2007.208333 | 0.074 | 0 | |
2007.291667 | -0.053 | -0.1 | |
2007.375 | 0.226 | -0.2 | |
2007.458333 | -0.221 | -0.2 | |
2007.541667 | -0.246 | -0.3 | |
2007.625 | -0.409 | -0.6 | |
2007.708333 | -1.092 | -0.8 | |
2007.791667 | -1.103 | -1.1 | |
2007.875 | -1.165 | -1.2 | |
2007.958333 | -1.164 | -1.3 | |
2008.041667 | -1.009 | -1.4 | |
2008.125 | -1.408 | -1.3 | |
2008.208333 | -1.645 | -1.1 | |
2008.291667 | -0.964 | -0.9 | |
2008.375 | -0.352 | -0.7 | |
2008.458333 | 0.16 | -0.5 | |
2008.541667 | 0.073 | -0.3 | |
2008.625 | -0.24 | -0.2 | |
2008.708333 | -0.561 | -0.2 | |
2008.791667 | -0.72 | -0.3 | |
2008.875 | -0.605 | -0.5 | |
2008.958333 | -0.66 | -0.7 | |
2009.041667 | -0.752 | -0.8 | |
2009.125 | -0.728 | -0.7 | |
2009.208333 | -0.726 | -0.4 | |
2009.291667 | -0.156 | -0.1 | |
2009.375 | 0.366 | 0.2 | |
2009.458333 | 0.894 | 0.4 | |
2009.541667 | 1.001 | 0.5 | |
2009.625 | 0.991 | 0.6 | |
2009.708333 | 0.805 | 0.7 | |
2009.791667 | 1.038 | 1.0 | |
2009.875 | 1.066 | 1.2 | |
2009.958333 | 1.013 | 1.3 | |
2010.041667 | 1.153 | 1.3 | |
2010.125 | 1.524 | 1.1 | |
2010.208333 | 1.385 | 0.8 | |
2010.291667 | 0.894 | 0.5 | |
2010.375 | 0.62 | 0 | |
2010.458333 | -0.269 | -0.4 | |
2010.541667 | -1.073 | -0.8 | |
2010.625 | -1.777 | -1.1 | |
2010.708333 | -1.954 | -1.3 | |
2010.791667 | -1.896 | -1.4 | |
2010.875 | -1.588 | -1.3 | |
2010.958333 | -1.574 | -1.4 | |
2011.041667 | -1.677 | -1.3 | |
2011.125 | -1.563 | -1.1 | |
2011.208333 | -1.56 | -0.8 | |
2011.291667 | -1.478 | -0.6 | |
2011.375 | -0.273 | -0.3 | |
2011.458333 | -0.048 | -0.2 | |
2011.541667 | -0.05 | -0.3 | |
2011.625 | -0.44 | -0.5 | |
2011.708333 | -0.713 | -0.7 | |
2011.791667 | -0.939 | -0.9 | |
2011.875 | -0.965 | -0.9 | |
2011.958333 | -0.976 | -0.8 | |
2012.041667 | -1.045 | -0.7 | |
2012.125 | -0.711 | -0.6 | |
2012.208333 | -0.432 | -0.5 | |
2012.291667 | 0.052 | -0.4 | |
2012.375 | 0.739 | -0.3 | |
2012.458333 | 0.936 | -0.1 | |
2012.541667 | 1.168 | 0.1 | |
2012.625 | 0.581 | 0.3 | |
2012.708333 | 0.328 | 0.4 | |
2012.791667 | 0.139 | 0.4 | |
2012.875 | 0.176 | 0.2 | |
2012.958333 | 0.041 | -0.2 | |
2013.041667 | 0.041 | -0.4 | |
2013.125 | -0.173 | -0.5 | |
2013.208333 | -0.181 | -0.3 | |
2013.291667 | 0.002 | -0.2 | |
2013.375 | 0.116 | -0.2 | |
2013.458333 | -0.181 | -0.2 | |
2013.541667 | -0.373 | -0.2 | |
2013.625 | -0.528 | -0.2 | |
2013.708333 | -0.095 | -0.2 | |
2013.791667 | 0.135 | -0.2 | |
2013.875 | -0.08 | -0.2 | |
2013.958333 | -0.3 | -0.3 | |
2014.041667 | -0.312 | -0.5 | |
2014.125 | -0.258 | -0.6 | |
2014.208333 | 0.012 | -0.4 | |
2014.291667 | 0.193 | -0.2 | |
2014.375 | 0.967 | 0 | |
2014.458333 | 0.997 | 0 | |
2014.541667 | 0.923 | 0 | |
2014.625 | 0.938 | 0 | |
2014.708333 | 0.602 | 0.2 | |
2014.791667 | 0.411 | 0.4 | |
2014.875 | 0.712 | 0.6 | |
2014.958333 | 0.578 | 0.6 | |
2015.041667 | 0.406 | 0.5 | |
2015.125 | 0.468 | 0.4 | |
2015.208333 | 0.65 | 0.5 | |
2015.291667 | 0.953 | 0.7 | |
2015.375 | 1.567 | 0.9 | |
2015.458333 | 2.06 | 1.0 | |
2015.541667 | 1.972 | 1.2 | |
2015.625 | 2.367 | 1.5 | |
2015.708333 | 2.527 | 1.7 |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>ENSO Index D3</title> | |
<script type="text/javascript" src="http://d3js.org/d3.v3.js"></script> | |
<style type="text/css"> | |
body { | |
background-color: black; | |
color: white; | |
font-family: Lucida Grande, sans-serif; | |
font-size: 13px ; | |
} | |
a:link { | |
color: cornsilk; | |
text-decoration: none; | |
} | |
a:visited { | |
color: bisque; | |
text-decoration: none; | |
} | |
.description | |
{ | |
width: 640px; | |
margin: 26px 26px 8px 26px; | |
color: silver; | |
line-height: 1.6em; | |
} | |
h1, h2, h3, h4, h5 | |
{ | |
color: white; | |
} | |
svg { | |
background-color: black; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: white; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: Lucida Grande, sans-serif; | |
font-size: 10px; | |
fill: white; | |
} | |
.y.axis path { | |
display: none; | |
} | |
.bar.positive { | |
fill: crimson; | |
} | |
.bar.negative { | |
fill: cornflowerblue; | |
} | |
.bar.neutral { | |
fill: gray; | |
} | |
</style> | |
</head> | |
<body> | |
<div class="description"> | |
<h1>Cold and Warm Episodes by Season</h1> | |
<p>Oceanic Niño Index (ONI) [3 month running mean of ERSST.v4 SST anomalies in the Niño 3.4 region (5oN-5oS, 120o-170oW)], based on centered 30-year base periods updated every 5 years. Source: <a href="http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ensoyears.shtml">NOAA Center for Weather and Climate Prediction.</a></p> | |
</div> | |
<script type="text/javascript"> | |
var w = 1200; | |
var h = 400; | |
var padding = [ 20, 50, 50, 80 ]; //Top, right, bottom, left | |
var widthScale = d3.scale.linear() | |
.range([ padding[3], w - padding[1]]); | |
var heightScale = d3.scale.linear() | |
.range([ padding[0], h - padding[2] ]); | |
// .range([ padding[0], h - padding[0] - padding[2] ]); | |
var xAxis = d3.svg.axis() | |
.scale(widthScale) | |
.orient("bottom") | |
.outerTickSize(0) | |
.tickPadding([h/2 - (padding[2] - 20)]) | |
.tickFormat(d3.format("d")); | |
var xAxis2 = d3.svg.axis() | |
.scale(widthScale) | |
.orient("bottom") | |
.outerTickSize(0); | |
var yAxis = d3.svg.axis() | |
.scale(heightScale) | |
.orient("left") | |
.ticks(10) | |
.outerTickSize(0) | |
.tickFormat(d3.format("d")); | |
var svg = d3.select("body") | |
.append("svg") | |
.attr("width", w) | |
.attr("height", h); | |
d3.csv("enso_mei_2000.csv", function(data) { | |
heightScale.domain([ | |
d3.max(data, function(d) {return +d.ENSO_Index; }), | |
d3.min(data, function(d) {return +d.ENSO_Index; }) ]); | |
widthScale.domain([ d3.min(data, function(d) { | |
return +d.Year; | |
}), | |
d3.max(data, function(d) { | |
return +d.Year; | |
}) ]); | |
console.log(d3.range(data.length)); | |
var rects = svg.selectAll("rect") | |
.data(data) | |
.enter() | |
.append("rect") | |
rects.attr("x", function(d) { | |
return widthScale(+ d.Year); | |
}) | |
.attr("class", function(d) { | |
var resultClass = "bar neutral"; | |
if (d.ENSO_Index > 0.5) { | |
resultClass = "bar positive"; | |
} | |
else if (d.ENSO_Index < -0.5) { | |
resultClass = "bar negative"; | |
} | |
return resultClass; | |
}) | |
.attr("width", 3) | |
.attr("y", function(d) {return heightScale(Math.max(0, d.ENSO_Index)); }) | |
.attr("height", 0) | |
// .attr("y", function(d) { return y(Math.min(0, d.ENSO_Index)); }) | |
// .attr("height", function(d) { return Math.abs(y(d.ENSO_Index) - y(0)); }) | |
.append("title") | |
.text(function(d) { | |
return "Year is " + d.Year + " ENSO Index is " + d.ENSO_Index; | |
}); | |
svg.append("g") | |
.attr("class", "x axis") | |
.attr("transform", "translate( 0 ," + heightScale(0) + ")") | |
.call(xAxis); | |
//Transition bar widths into place | |
rects.transition() | |
.delay(function(d, i) { | |
return i * 8; | |
}) | |
.duration(1) | |
.attr("height", function(d) { | |
return Math.abs(heightScale(+ d.ENSO_Index) - heightScale(0)); | |
}); | |
// top axis | |
// svg.append("g") | |
// .attr("class", "x axis 2") | |
// .attr("transform", "translate(" + padding[3] + "," + (padding[0]) + ")") | |
// .call(xAxis2); | |
svg.append("g") | |
.attr("class", "y axis") | |
.attr("transform", "translate(" + (padding[3]) + ",0)") | |
.call(yAxis); | |
svg.append("text") | |
.attr("class", "x label") | |
.attr("text-anchor", "middle") | |
.attr("x", w/2 ) | |
.attr("y", h - padding[2]/5) | |
.attr("fill", "white") | |
.text("Year"); | |
svg.append("text") | |
.attr("class", "y label") | |
.attr("text-anchor", "end") | |
.attr("x", padding[3] - 12 ) | |
.attr("y", padding[0] + 24 ) | |
.attr("fill", "white") | |
.text("ONI"); | |
}) | |
</script> | |
</body> | |
</html> |
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